Putter head



FIG. 1 is a front view of the putter head;

FIG. 2 is a top plan view of the putter head;

FIG. 3 is a rear view of the putter head;

FIG. 4 is a bottom plan view of the putter head;

FIG. 5 is toe side view of the putter head; and,

FIG. 6 is a heel side view of the putter head. 

The ornamental design for a putter head, as shown and described. 